AT 0545C, C/2-502 REPORTS IA AT TCP 3 FIRED WARNING SHOTS AT 1/C/2-502 WHILE THEY WERE MOVING NORTH ON RTE TRAILBLAZERS. NO INJURIES OR DAMAGE. 1/C/2-502 REPORTED FLASHING THIER LIGHTS 3 TIMES AT THE IA CP TO ALERT THEM OF THE PATROL'S APPROACH. SHORTLY AFTERWARDS, THE IA FIRED WARNING SHOTS AT 1/C/2-502. MTF BDA NO CF INJ/DAMAGE